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Communication: FOURTH PERIOD

A randomized 25 question test from a pool of 761 questions, good luck!
Which of the answers below best describes the transmission mode of data between a DTE and a DCE?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to write the contents of a series of 10 coils to the slave device?
Which of the answers below best represents the recommended standard that uses a UART chip?
Which of the answers below is best described as a primary advantage of the token passing messaging in the H1 transmission system?
Which of the terms below can be best described as recommended commands to perform advanced configuration of devices?
The standard recommended by ISA-18.2 is for 3-4 priority level alarms to be used. Which of the alarm priority levels below can best be described as the highest percentage of the total configured alarms?
There are numerous I/O modules that a typical DCS has access to. Which of the modules below is described as one that can have 8, 16, or 32 output points powered by 24Vdc or 120/230 Vac?
Which of the answers below represents one of the types of cables not available for use in a Foundation fieldbus H1 transmission system?
The OSI model describes how a network should be arranged. Which of the layers below concern network topologies the most?
A defined area of geographical coverage is commonly called an area network. Which of the area networks below is the second smallest in area covered?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the answers below expresses the register size and permissions of an input register?
Which of the network components below combines two or more smaller networks working within the ISO physical and data layers?
SCADA control systems are similar to other control system, but the components for a SCADA system vary slightly. Which of the components below would be designed to reduce transmission of the records of alarms and/or events?
In synchronous transmission, which of the answers below best describes where the incoming data is always detected by the receiver?
A typical DCS has at least four layers in it's architecture. Valves, switches and transmitters are all under the direct control of which of the layers below?
Modbus protocol can implement data encapsulation over IP based networks. Which of the statements below is an advantage of using encapsulation?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to write the contents of a series of 10 coils to the slave device?
Which of the DeviceNet components below is best described as being used where cable shielding and ingress protection is not needed?
The OSI model describes how a network should be arranged. Which of the layers below defines the network hardware and electrical signalling method of a network?
In the protocol specifications of Modbus, there are only four types of registers that can be accessed by the master. Which of the terms below is best described as a analog input memory location?
The addition of BCC to the message frame increases the efficiency of detecting errors in transmissions. which one of the error check systems employs a calculated total by the receiver in comparison to the total of the received data?
Which of the answers below best represents the maximum number of devices that can be connected to an H1 multidrop bus network?
A DDE protocol has 3 components to a "handle". Which of the components below would best be described as the name of a unique data source is contained inside of a DDE server application ?
A HMI requires secure access to it's configuration database. Which of the terms below is best described as engineering level software package?
Modbus has standard command codes to allow the master to access information from it's slaves. Which of the commands below would be used to write the contents of a holding register to the slave device